Louis Sullivan, ‘Wainwright Building’, 1890-1891, Art History 101
Louis Sullivan, ‘Wainwright Building’, 1890-1891, Art History 101

From left to right:

Exterior perspective.
Source: Wikimedia Commons / Public Domain
Image source

Cornice detail.
Source: Wikimedia Commons / Public Domain
Image source

About Louis Sullivan

American, September 3, 1856 - April 14, 1924, Boston, Massachusetts